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Cimetidine EP Impurity A
CAT No: CL-CMTD-01 CAS No: 52378-40-2 Mol Wt: 269.4 Mol F: C10H15N5S2 Inv Status: Custom Synthesis
Chemical Name: Methyl 3-cyano-1-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl]ethyl] carbamimidothioate
Cimetidine EP Impurity B
CAT No: CL-CMTD-02 CAS No: 138035-55-9 Mol Wt: 253.3 Mol F: C10H15N5OS Inv Status: Custom Synthesis
Chemical Name:  Methyl 3-cyano-1-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl]ethyl]-carbamimidate ;
Cimetidine EP Impurity C
CAT No: CL-CMTD-03 CAS No: 52568-80-6 Mol Wt: 270.4 : 2(36.5) Mol F: C10H18N6OS : 2(HCl) Inv Status: Custom Synthesis
Chemical Name: 1-[(Methylamino)-[[2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl]-ethyl] amino]methylidene]urea dihydrochloride ;
Cimetidine EP Impurity D
CAT No: CL-CMTD-04 CAS No: 59660-24-1 Mol Wt: 227.3 : 2(36.5) Mol F: C9H17N5S : 2(HCl) Inv Status: Custom Synthesis
Chemical Name: 1-Methyl-3-[2-[[(5-methyl-1Himidazol-4-yl)methyl]sulfanyl]ethyl]guanidine dihydrochloride ;
Cimetidine EP Impurity E
CAT No: CL-CMTD-05 CAS No: 54237-72-8 Mol Wt: 268.3 Mol F: C10H16N6OS Inv Status: Custom Synthesis
Chemical Name: 2-Cyano-1-methyl-3-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfinyl]-ethyl]guanidine ;
Cimetidine EP Impurity F
CAT No: CL-CMTD-06 CAS No: 55272-86-1 Mol Wt: 392.5 Mol F:  C16H24N8S2 Inv Status: Custom Synthesis
Chemical Name: 2-Cyano-1,3-bis[2-[[(5-methyl-1H-imidazol-4-yl)methyl]-sulfanyl]ethyl] guanidine ;
Cimetidine EP Impurity G
CAT No: CL-CMTD-07 CAS No: 31857-31-5 Mol Wt: 112.1 Mol F: C4H8N4 Inv Status: Custom Synthesis
Chemical Name: 2-Cyano-1,3-dimethylguanidine ;
Cimetidine EP Impurity H
CAT No: CL-CMTD-08 CAS No: 74886-59-2 Mol Wt: 314.4 Mol F: C10H18N8S2 Inv Status: Custom Synthesis
Chemical Name: 1,1?-(Disulfanediyldiethylene)bis(2-cyano-3-methylguanidine)
Cimetidine EP Impurity I
CAT No: CL-CMTD-09 CAS No: 38603-74-6 Mol Wt: 126.2 : 36.5 Mol F: C6H10N2O : HCl Inv Status: Custom Synthesis
Chemical Name:  (5-Ethyl-1H-imidazol-4-yl)methanol hydrochloride
Cimetidine EP Impurity J
CAT No: CL-CMTD-10 CAS No: 38603-72-4 Mol Wt: 171.26 . 2(36.5) Mol F: C7H13N3S . 2(HCl) Inv Status: Custom Synthesis
Chemical Name: 2-(((5-Methyl-1H-imidazol-4-yl)methyl)thio)ethan-1-amine Dihydrochloride
Cimetidine
CAT No: CL-CMTD-11 CAS No: 51481-61-9 Mol Wt: 252.3 Mol F: C10H16N6S Inv Status: Custom Synthesis
Chemical Name: 2-Cyano-1-methyl-3-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl]ethyl]guanidine
Cimetidine Impurity 3
CAT No: CL-CMTD-12 CAS No: 38603-74-6 Mol Wt: 126.2 : 36.5 Mol F: C6H10N2O : HCl Inv Status: Custom Synthesis
Chemical Name: (5-Ethyl-1H-imidazol-4-yl)methanol hydrochloride
Cimetidine Impurity 1
CAT No: CL-CMTD-13 CAS No: 182685-55-8 Mol Wt: 422.6 Mol F: C16H26N10S2 Inv Status: Custom Synthesis
Chemical Name: (E,E)-1,1'-((((5-Methyl-1H-imidazole-2,4-diyl)bis(methylene))bis(sulfanediyl))bis(ethane-2,1-diyl))bis(2-cyano-3-methylguanidine)
Cimetidine Impurity 2
CAT No: CL-CMTD-14 CAS No: NA Mol Wt: 346.5 Mol F: C15H22N8S Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-1-methyl-3-(2-(((5-methyl-1-((5-methyl-1H-imidazol-4-yl)methyl)-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine
Hydroxymethyl Cimetidine
CAT No: CL-CMTD-15 CAS No: 59359-50-1 Mol Wt: 268.3 Mol F: C10H16N6OS Inv Status: Custom Synthesis
Chemical Name: 1-Cyano-3-[2-[[4-(hydroxymethyl)-1H-imidazol-5-yl]methylsulfanyl]ethyl]-2-methyl-guanidine
Cimetidine D3
CAT No: CL-CMTD-16 CAS No: 1185237-29-9 Mol Wt: 255.4 Mol F: C10H13D3N6S Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-1-(methyl-d3)-3-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine
Cimetidine Impurity 5
CAT No: CL-CMTD-17 CAS No: 52099-72-6 Mol Wt: 174.2 Mol F: C10H10N2O Inv Status: Custom Synthesis
Chemical Name: 1-(Prop-1-en-2-yl)-1,3-dihydro-2H-benzo[d]imidazol-2-one
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